Home / 3,521.80-5,282.68-1,442.77

Finding the Fourth Proportional to 3,521.80, 5,282.68 and 1,442.77

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Solution

The fourth proportional to 3,521.80, 5,282.68 and 1,442.77 is: 2,164.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.80 : 5,282.68 = 1,442.77 : x
  2. Step 2: Convert to fraction form
    3,521.80/5,282.68 = 1,442.77/x
  3. Step 3: Cross multiply
    3,521.80x = 5,282.68 × 1,442.77
  4. Step 4: Simplify right side
    3,521.80x = 7,621,692.22
  5. Step 5: Solve for x
    x = 7,621,692.22/3,521.80
  6. Step 6: Final answer
    x = 2,164.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.